Display only works *after* suspend

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Hello,I have a problem which seems to be rather strange for Linux laptop problems - I can only get to the desktop through X11 after closing the lid, letting the laptop suspend, and opening the lid again to resume. Before this point, everything through the console works and I can switch to a TTY, but after KDM is started (via systemd) a blank screen appears. This laptop (an HP DV6) has dual cards which cannot be selected between in the BIOS - both AMD, integrated is the HD4200 and dedicated is the HD5650. I am using catalyst from the community repo - I have tried the PowerXpress and normal buil
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Stories similar to Display only works *after* suspend

I have set the Gnome-Power-Manager to SUSPEND when laptop lid is closed. When the lid is closed the laptop does go into suspend. However upon opening the lid and starting the laptop to resume, laptop starts and goes into a black screen.

Hi,I am using arch with 3.15.8-1-ck kernel and my laptop does not resumes after i suspend it to the ram.When i put it to suspend, it suspends successfully and light on POWER-ON-OFF button starts blinking but when i resume it, it shows up the lock screen but mouse and keyboard does not works and the typing cursor also does not blinks.I tried opening tty's but they too are not opening up.I have